Bring a large pot of water to a boil for the pasta.
Heat 3 tablespoons of extra virgin olive oil in a large sauté pan over high heat. Add the shrimp and cook for 1 minute per side. Season with salt and pepper.
Add the red pepper flakes, thyme, rosemary, zucchini, and garlic to the shrimp. Sauté everything together for about 1 minute. Add tomato sauce and continue to cook for another 3 minutes or until zucchini is a bit translucent but still has some crunch and the shrimp are opaque. Remove from heat.
Cook pasta until al dente. Drain.
While the pasta is cooking, in a small to medium sauté pan heat 2 tablespoons extra virgin olive oil over medium heat, add panko crumbs, salt and pepper and toast until golden. Set aside.
Add the pasta to the shrimp mixture and combine well. Squeeze the lemon juice over the pasta and add butter and parsley.
Sprinkle with panko crumbs.